Hop Tac Xa: Xi Nghiep Duc Thanh Address: No 253 Hoang Quoc Viet, Ngoc Son Ward, Kien An District, Hai Phong City Enterprise code: 0200372206 Phone: 02125790111 Ngoc Son Ward, Kien An District, Hai Phong CityFounding date: 20 - 12 - 1999